Answer:
All the living things together in an ecosystem form a community.
Explanation:
In mammals, the powerful muscle that aids in breathing is the diaphragm. This muscle expands and contracts the chest cavity and forces air in and out of the lungs.
Hope that helped =)
Answer:
I'm pretty sure the answer is D.) Less Dense
Explanation:
The answer is stroke. This means that formation of plaque in the blood vessels that serve the brain cause thickenning of the inner walls of the vessels. When the plaque ruptures, a blood clot forms and blocks blood passage to a particular region of the brain served by the vessel. This stifles oxygen supply to the respective part of the brain leading to the death of the cells in the region.
Cell Size and Scale, an elegant and deceptively simple interactive from the University of Utah's Genetic Science Learning Center, enables you to compare the sizes of various really small things. The interactive is available free on the Internet and works on desktop computers, smart phones, and tablets.
